He is best known for his work on screen as manic Japanese American gangster Lee in Sion Sono's Hazard (2005), a thief grappling with his sexual identity in Gen Sekiguchi's Survive Style 5+ (2004), and portraying Beethoven in the popular Tokyo Gas commercials.

West has released two spoken word poetry albums in Japanese and English under the pseudonym Lotus Chamelion.

In 2000, West collaborated with his then-girlfriend, J-pop singer Olivia Lufkin, on two tracks for her debut solo studio album, Synchronicity, which was released by Avex Trax.

He co-wrote and performed on "Liquid Skies", a whimsical fairy tale about a pegasus and a mermaid coming together to fulfill her longing for wings and "Soulmate", a duet that explores the theme of reincarnation.

[1] In 2016, West starred alongside Pamela Anderson and Dree Hemingway in the Canadian-Japanese drama The People Garden.